These bricks encapsulate a resource visit: seize, spend some time and release.
visit(.trj, resource, task, amount = 1) visit_selected(.trj, task, amount = 1, id = 0)
.trj | the trajectory object. |
---|---|
resource | the name of the resource. |
task | the timeout duration supplied by either passing a numeric or a callable object (a function) which must return a numeric (negative values are automatically coerced to positive). |
amount | the amount to seize/release, accepts either a numeric or a callable object (a function) which must return a numeric. |
id | selection identifier for nested usage. |
Returns the following chain of activities: seize
> timeout
> release
(see examples below).
## These are equivalent: trajectory() %>% visit("res", 5, 1)#> trajectory: anonymous, 3 activities #> { Activity: Seize | resource: res, amount: 1 } #> { Activity: Timeout | delay: 5 } #> { Activity: Release | resource: res, amount: 1 }trajectory() %>% seize("res", 1) %>% timeout(5) %>% release("res", 1)#> trajectory: anonymous, 3 activities #> { Activity: Seize | resource: res, amount: 1 } #> { Activity: Timeout | delay: 5 } #> { Activity: Release | resource: res, amount: 1 }## These are equivalent: trajectory() %>% visit_selected(5, 1)#> trajectory: anonymous, 3 activities #> { Activity: Seize | resource: [0], amount: 1 } #> { Activity: Timeout | delay: 5 } #> { Activity: Release | resource: [0], amount: 1 }trajectory() %>% seize_selected(1) %>% timeout(5) %>% release_selected(1)#> trajectory: anonymous, 3 activities #> { Activity: Seize | resource: [0], amount: 1 } #> { Activity: Timeout | delay: 5 } #> { Activity: Release | resource: [0], amount: 1 }